Best Unity/I UT3100, Руководство по установке

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UT340, UT360, UT380, and UT3100
Planning and Installation Manual
28
16. At the maintenance bypass cabinet (MBC), measure the following:
a. N input to Ground ______VAC
b. N output to Ground ______VAC
c. N input to N output ______VAC
“N input to N output” should not exceed “N input to Ground.” If it does, call BEST’s
Technical Support Center.
17. Check for proper voltages at the maintenance bypass cabinet (MBC) load output terminals
and the load distribution panel(s).
MBC Load Output Load Panel Input
a. L1 to neutral______VAC L1 to neutral______VAC
b. L2 to neutral______VAC L2 to neutral______VAC
c. L3 to neutral______VAC L3 to neutral______VAC
18. Switch the maintenance bypass breaker (MBB) “ON.”
19. Switch the UPS output breaker (UOB) “OFF.”
20. Recheck for proper voltages at the MBC load output terminals and load distribution panel(s).
MBC Load Output Load Panel Input
a. L1 to neutral______VAC L1 to neutral______VAC
b. L2 to neutral______VAC L2 to neutral______VAC
c. L3 to neutral______VAC L3 to neutral______VAC
21. Switch the UPS output breaker (UOB) “ON.”
22. Switch the maintenance bypass breaker (MBB) “OFF.”
23. Return the UPS to normal operation:
a. Press to access the user parameters.
b. Press the or key until the display shows
Bypass operation: ON
.
c. Press to turn static bypass operation off. The display should show
Normal
operation load power xx%
.
You can now apply loads to the system. As the last step of the installation, BEST recommends
that you clear the events log. See
Section 400 , “Clearing the Events Log.”